hec_id,time_start,pa,pa_width,v,v_init,v_final,v_20r,accel,pa_measure
26539,2014-06-04 02:36:05.0,99.0,39.0,209.0,113.0,294.0,563.0,12.6,105.0
26540,2014-06-04 11:36:05.0,102.0,25.0,207.0,156.0,255.0,743.0,22.4,105.0
26541,2014-06-04 12:48:05.0,-1.0,360.0,467.0,128.0,1258.0,1035.0,43.7,160.0
26542,2014-06-04 19:00:05.0,306.0,42.0,277.0,184.0,367.0,720.0,20.0,313.0